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Old 02-13-2007, 10:08 PM
wavelength wavelength is offline
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Join Date: Mar 2006
Location: Yankeetown, Florida
Posts: 322
Default 1989 225hp Johnson Fuel Numbers

We'll you guys got me thinking again... First high water alarm's and now fuel flow gauge's. I installed a LMF-200 fuel flow with paddle wheel for speed since my plotter does not speak NEMA 2000. I had been running the Johnrude around 3800rpm doing 21 to 22 knots and it felt pretty good trimmed and tabs set.

I've made two short grouper trolling trips and found that at 3800rpm I'm getting 1.5 to 1.6 miles per gallon. However at 4300rpm I'm doing 27 to 28 knots and getting 2.0 miles per gallon! Watch out I'm going faster burning less fuel grouper beware!!!!!!!
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